Use After Free Affecting httpd-devel package, versions <0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd


Severity

Recommended
medium

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.81% (83rd percentile)

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  • Snyk ID SNYK-ORACLE8-HTTPDDEVEL-2574029
  • published 10 Apr 2022
  • disclosed 26 Sep 2019

How to fix?

Upgrade Oracle:8 httpd-devel to version 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd or higher.
This issue was patched in ELSA-2020-4751.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd-devel package and not the httpd-devel package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

In Apache HTTP Server 2.4.18-2.4.39, using fuzzed network input, the http/2 session handling could be made to read memory after being freed, during connection shutdown.

References

CVSS Scores

version 3.1
Expand this section

NVD

9.1 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    High